EP2720385A2 - Verfahren zum empfangen eines downlink-signals mit einem endgerät in einem drahtlosen kommunikationssystem mit einer kooperativen basisstation und vorrichtung dafür - Google Patents

Verfahren zum empfangen eines downlink-signals mit einem endgerät in einem drahtlosen kommunikationssystem mit einer kooperativen basisstation und vorrichtung dafür Download PDF

Info

Publication number
EP2720385A2
EP2720385A2 EP12800823.2A EP12800823A EP2720385A2 EP 2720385 A2 EP2720385 A2 EP 2720385A2 EP 12800823 A EP12800823 A EP 12800823A EP 2720385 A2 EP2720385 A2 EP 2720385A2
Authority
EP
European Patent Office
Prior art keywords
enode
cell
user equipment
downlink
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12800823.2A
Other languages
English (en)
French (fr)
Other versions
EP2720385A4 (de
EP2720385B1 (de
Inventor
Hakseong Kim
Hanbyul Seo
Byounghoon Kim
Kijun Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2720385A2 publication Critical patent/EP2720385A2/de
Publication of EP2720385A4 publication Critical patent/EP2720385A4/de
Application granted granted Critical
Publication of EP2720385B1 publication Critical patent/EP2720385B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

Definitions

  • the present invention relates to a wireless communication system, and more particularly, to a method of receiving a downlink signal, which is received by a user equipment in an eNode B cooperative wireless communication system and apparatus therefor.
  • 3GPP LTE (3 rd generation partnership project long term evolution hereinafter abbreviated LTE) communication system is schematically explained as an example of a wireless communication system to which the present invention is applicable.
  • FIG. 1 is a schematic diagram of E-UMTS network structure as one example of a wireless communication system.
  • E-UMTS evolved universal mobile telecommunications system
  • UMTS universal mobile telecommunications system
  • LTE long term evolution
  • Detailed contents for the technical specifications of UMTS and E-UMTS refers to release 7 and release 8 of "3 rd generation partnership project; technical specification group radio access network", respectively.
  • E-UMTS includes a user equipment (UE), an eNode B (eNB), and an access gateway (hereinafter abbreviated AG) connected to an external network in a manner of being situated at the end of a network (E-UTRAN).
  • the eNode B may be able to simultaneously transmit multi data streams for a broadcast service, a multicast service and/or a unicast service.
  • One eNode B contains at least one cell.
  • the cell provides a downlink transmission service or an uplink transmission service to a plurality of user equipments by being set to one of 1.25 MHz, 2.5 MHz, 5 MHz, 10 MHz, 15 MHz, and 20 MHz of bandwidths. Different cells can be configured to provide corresponding bandwidths, respectively.
  • An eNode B controls data transmissions/receptions to/from a plurality of the user equipments.
  • DL downlink
  • the eNode B informs a corresponding user equipment of time/frequency region on which data is transmitted, coding, data size, HARQ (hybrid automatic repeat and request) related information and the like by transmitting DL scheduling information.
  • the eNode B informs a corresponding user equipment of time/frequency region usable by the corresponding user equipment, coding, data size, HARQ-related information and the like by transmitting UL scheduling information to the corresponding user equipment. Interfaces for user-traffic transmission or control traffic transmission may be used between eNode Bs.
  • a core network (CN) consists of an AG (access gateway) and a network node for user registration of a user equipment and the like.
  • the AG manages a mobility of the user equipment by a unit of TA (tracking area) consisting of a plurality of cells.
  • Wireless communication technologies have been developed up to LTE based on WCDMA. Yet, the ongoing demands and expectations of users and service providers are consistently increasing. Moreover, since different kinds of radio access technologies are continuously developed, a new technological evolution is required to have a future competitiveness. Cost reduction per bit, service availability increase, flexible frequency band use, simple structure/open interface and reasonable power consumption of user equipment and the like are required for the future competitiveness.
  • the present invention intends to propose a method of receiving a downlink signal, which is received by a user equipment in an eNode B cooperative wireless communication system and an apparatus therefor in the following description based on the discussion mentioned earlier in the foregoing description.
  • a method of receiving a downlink signal which is received by a user equipment from a plurality of eNode Bs in a wireless communication system includes the steps of receiving downlink scheduling information from a first eNode B and receiving a downlink data signal from the first eNode B and one or more second eNode Bs using the downlink scheduling information, wherein the downlink data signal received from each of the first eNode B and the one or more second eNode Bs is received on an identical frequency band.
  • the carrier indicator field can indicate a predetermined carrier.
  • the carrier indicator field may indicate a mapping relation between a plurality of the eNode Bs and a codeword transmitted from each of a plurality of the eNode Bs.
  • the downlink data signal received from each of the first eNode B and the one or more second eNode Bs is classified by a spatial resource.
  • the method further includes the step of receiving corresponding beamforming information from each of the one or more second eNode Bs.
  • a user equipment in a wireless communication system includes a radio communication module configured to receive a signal from a plurality of eNode Bs and a processor configured to process the signal, if downlink scheduling information is received from a first eNode B among a plurality of the eNode Bs, the processor configured to control the radio communication module to receive a downlink data signal from the first eNode B and one or more second eNode Bs among a plurality of the eNode Bs using the downlink scheduling information, wherein the downlink data signal received from each of the first eNode B and the one or more second eNode Bs is received on an identical frequency band.
  • the reception module is configured to receive corresponding beamforming information from each of the one or more second eNode Bs.
  • a user equipment can efficiently receive a downlink signal from a plurality of eNode Bs in an eNode B cooperative wireless communication system.
  • FIG. 2 is a diagram for structures of control and user planes of radio interface protocol between a 3GPP radio access network standard-based user equipment and E-UTRAN.
  • the control plane means a path on which control messages used by a user equipment (UE) and a network to manage a call are transmitted.
  • the user plane means a path on which such a data generated in an application layer as audio data, internet packet data, and the like are transmitted.
  • a physical layer which is a 1 st layer, provides higher layers with an information transfer service using a physical channel.
  • the physical layer is connected to a medium access control layer situated above via a transport channel. Data moves between the medium access control layer and the physical layer on the transport channel. Data moves between a physical layer of a transmitting side and a physical layer of a receiving side on the physical channel.
  • the physical channel utilizes time and frequency as radio resources.
  • the physical layer is modulated by OFDMA (orthogonal frequency division multiple access) scheme in DL and the physical layer is modulated by SC-FDMA (single carrier frequency division multiple access) scheme in UL.
  • OFDMA orthogonal frequency division multiple access
  • SC-FDMA single carrier frequency division multiple access
  • MAC Medium access control
  • RLC radio link control
  • the RLC layer of the 2 nd layer supports a reliable data transmission.
  • the function of the RLC layer may be implemented by a function block within the MAC.
  • PDCP packet data convergence protocol
  • Radio resource control (hereinafter abbreviated RRC) layer situated in the lowest location of a 3 rd layer is defined on a control plane only.
  • the RRC layer is responsible for control of logical channels, transport channels and physical channels in association with a configuration, a re-configuration and a release of radio bearers (hereinafter abbreviated RBs).
  • the RB indicates a service provided by the 2 nd layer for a data delivery between the user equipment and the network.
  • the RRC layer of the user equipment and the RRC layer of the network exchange a RRC message with each other.
  • RRC connection RRC connected
  • a non-access stratum (NAS) layer situated at the top of the RRC layer performs such a function as a session management, a mobility management and the like.
  • a single cell consisting of an eNode B is set to one of 1.25 MHz, 2.5 MHz, 5 MHz, 10 MHz, 15 MHz, and 20 MHz of bandwidths and then provides a downlink or uplink transmission service to a plurality of user equipments.
  • Different cells can be configured to provide corresponding bandwidths, respectively.
  • DL transport channels for transmitting data from a network to a user equipment include a BCH (broadcast channel) for transmitting a system information, a PCH (paging channel) for transmitting a paging message, a downlink SCH (shared channel) for transmitting a user traffic or a control message and the like.
  • DL multicast/ broadcast service traffic or a control message may be transmitted on the DL SCH or a separate DL MCH (multicast channel).
  • UL transport channels for transmitting data from a user equipment to a network include a RACH (random access channel) for transmitting an initial control message, an uplink SCH (shared channel) for transmitting a user traffic or a control message.
  • a logical channel which is situated above a transport channel and mapped to the transport channel, includes a BCCH (broadcast channel), a PCCH (paging control channel), a CCCH (common control channel), a MCCH (multicast control channel), a MTCH (multicast traffic channel) and the like.
  • FIG. 3 is a diagram for explaining physical channels used for 3GPP system and a general signal transmission method using the physical channels.
  • the user equipment may perform an initial cell search job for matching synchronization with an eNode B and the like [S301].
  • the user equipment may receive a primary synchronization channel (P-SCH) and a secondary synchronization channel (S-SCH) from the eNode B, may be synchronized with the eNode B and may then obtain information such as a cell ID and the like.
  • P-SCH primary synchronization channel
  • S-SCH secondary synchronization channel
  • the user equipment may receive a physical broadcast channel from the eNode B and may be then able to obtain intra-cell broadcast information.
  • the user equipment may receive a downlink reference signal (DL RS) in the initial cell search step and may be then able to check a DL channel state.
  • DL RS downlink reference signal
  • the user equipment may receive a physical downlink shared control channel (PDSCH) according to a physical downlink control channel (PDCCH) and an information carried on the physical downlink control channel (PDCCH).
  • PDSCH physical downlink shared control channel
  • PDCCH physical downlink control channel
  • the user equipment may be then able to obtain a detailed system information [S302].
  • a user equipment may be able to perform a random access procedure to complete the access to the eNode B [S303 to S306].
  • the user equipment may transmit a specific sequence as a preamble on a physical random access channel (PRACH) [S303/S305] and may be then able to receive a response message on PDCCH and the corresponding PDSCH in response to the preamble [S304/S306].
  • PRACH physical random access channel
  • RACH contention based random access procedure it may be able to additionally perform a contention resolution procedure.
  • the user equipment may be able to perform a PDCCH/PDSCH reception [S307] and a PUSCH/PUCCH (physical uplink shared channel/physical uplink control channel) transmission [S308] as a general uplink/downlink signal transmission procedure.
  • the user equipment receives a DCI (downlink control information) on the PDCCH.
  • the DCI contains such a control information as an information on resource allocation to the user equipment.
  • the format of the DCI varies in accordance with its purpose.
  • control information transmitted to an eNode B from a user equipment via UL or the control information received by the user equipment from the eNode B includes downlink/uplink ACK/NACK signals, CQI (Channel Quality Indicator), PMI (Precoding Matrix Index), RI (Rank Indicator) and the like.
  • CQI Channel Quality Indicator
  • PMI Precoding Matrix Index
  • RI Rank Indicator
  • the user equipment may be able to transmit the aforementioned control information such as CQI/PMI/RI and the like on PUSCH and/or PUCCH.
  • FIG. 4 is a diagram for a structure of a radio frame used in an LTE system.
  • one radio frame has a length of 10 ms (327,200 ⁇ T S ) and is constructed with 10 subframes in equal size.
  • Each of the subframes has a length of 1 ms and is constructed with two slots.
  • Each of the slots has a length of 0.5 ms (15,360 ⁇ T S ).
  • the slot includes a plurality of OFDM symbols in a time domain and also includes a plurality of resource blocks (RBs) in a frequency domain.
  • RBs resource blocks
  • one resource block includes '12 subcarriers ⁇ 7 or 6 OFDM symbols'.
  • a transmission time interval (TTI) which is a unit time for transmitting data, can be determined by at least one subframe unit.
  • TTI transmission time interval
  • the aforementioned structure of a radio frame is just exemplary. And, the number of subframes included in a radio frame, the number of slots included in a subframe and the number of OFDM symbols included in a slot may be modified in various ways.
  • FIG. 5 is a diagram for showing an example of a control channel included in a control region of a single subframe in a DL radio frame.
  • a subframe consists of 14 OFDM symbols.
  • the first 1 to 3 OFDM symbols are used for a control region and the other 13 ⁇ 11 OFDM symbols are used for a data region.
  • R1 to R4 may indicate a reference signal (hereinafter abbreviated RS) or a pilot signal for an antenna 0 to 3.
  • the RS is fixed as a constant pattern in the subframe irrespective of the control region and the data region.
  • the control channel is assigned to a resource to which the RS is not assigned in the control region and a traffic channel is also assigned to a resource to which the RS is not assigned in the data region.
  • the control channel assigned to the control region may include a physical control format indicator channel (PCFICH), a physical hybrid-ARQ indicator channel (PHICH), a physical downlink control channel (PDCCH) and the like.
  • PCFICH physical control format indicator channel
  • PHICH physical hybrid-ARQ indicator channel
  • PDCCH physical downlink control channel
  • the PCFICH (physical control format indicator channel) informs a user equipment of the number of OFDM symbols used for the PDCCH on every subframe.
  • the PCFICH is situated at the first OFDM symbol and is configured prior to the PHICH and the PDCCH.
  • the PCFICH consists of 4 resource element groups (REG) and each of the REGs is distributed in the control region based on a cell ID (cell identity).
  • One REG consists of 4 resource elements (RE).
  • the RE may indicate a minimum physical resource defined as 'one subcarrier ⁇ one OFDM symbol'.
  • the value of the PCFICH may indicate the value of 1 to 3 or 2 to 4 according to a bandwidth and is modulated into a QPSK (quadrature phase shift keying).
  • the PHICH (physical HARQ (hybrid-automatic repeat and request) indicator channel) is used for carrying HARQ ACK/NACK for an UL transmission.
  • the PHICH indicates a channel to which DL ACK/NACK information is transmitted for UL HARQ.
  • the PHICH consists of a single REG and is scrambled cell-specifically.
  • the ACK/NACK is indicated by 1 bit and modulated into BPSK (binary phase shift keying).
  • the modulated ACK/NACK is spread into a spread factor (SF) 2 or 4.
  • a plurality of PHICHs, which are mapped to a same resource, composes a PHICH group.
  • the number of PHICH, which is multiplexed by the PHICH group, is determined according to the number of spreading code.
  • the PHICH (group) is repeated three times to obtain diversity gain in a frequency domain and/or a time domain.
  • the PDCCH (physical DL control channel) is assigned to the first n OFDM symbol of a subframe.
  • the n is an integer more than 1 and indicated by the PCFICH.
  • the PDCCH consists of at least one CCE.
  • the PDCCH informs each of user equipments or a user equipment group of an information on a resource assignment of PCH (paging channel) and DL-SCH (downlink-shared channel), which are transmission channels, an uplink scheduling grant, HARQ information and the like.
  • the PCH (paging channel) and the DL-SCH (downlink-shared channel) are transmitted on the PDSCH.
  • an eNode B and the user equipment transmit and receive data via the PDSCH in general except a specific control information or a specific service data.
  • Information indicating which user equipment (one or a plurality of user equipments) receives data of PDSCH and how a plurality of the user equipments receive and decode the PDSCH data and the like are transmitted in a manner of being included in the PDCCH.
  • a specific PDCCH is CRC masked with an RNTI (radio network temporary identity) called "A” and an information on data transmitted using a radio resource (e.g., frequency position) called "B” and a DCI format i.e., a transmission form information (e.g., a transport block size, a modulation scheme, coding information, and the like) called "C" is transmitted via a specific subframe.
  • RNTI radio network temporary identity
  • the user equipment in a cell monitors the PDCCH using the RNTI information of its own, if there exist at least one or more user equipments having the "A" RNTI, the user equipments receive the PDCCH and the PDSCH, which is indicated by the "B” and the "C", via the received information on the PDCCH.
  • FIG. 6 is a conceptual diagram for explaining a carrier aggregation scheme.
  • a carrier aggregation means a technology using one big logical frequency band in a manner that a user equipment uses a frequency block configured with an uplink resource (or a component carrier) and/or a downlink resource (or a component carrier) or a plurality of cells (of logical meaning) in order for a wireless communication system to use a wider frequency band.
  • a terminology of 'component carrier' is consistently used in the following description.
  • a total system bandwidth may have a system bandwidth up to maximum 100 MHz as a logical bandwidth.
  • the total system bandwidth includes five component carriers and each of the component carriers may have up to maximum 20 MHz.
  • the component carrier includes at least one physically contiguous subcarrier.
  • each of the component carriers in FIG. 6 is depicted as including a bandwidth identical to each other, this is exemplary only.
  • Each of the component carriers may be able to have a bandwidth different from each other.
  • each of the component carriers is depicted as it is adjacent to each other in frequency domain, since the diagram is depicted in terms of a logical concept, each of the component carriers may be physically adjacent to each other or may be apart from each other.
  • a center frequency can be differently used for each of the component carriers or a common center frequency can be used for the component carriers physically adjacent to each other.
  • a center frequency 'A' can be used.
  • a separate center frequency as a center frequency 'A', a center frequency 'B' or the like can be used for each of the component carriers.
  • a component carrier may correspond to a system bandwidth of a legacy system.
  • the component carrier may have a prescribed bandwidth among the bandwidths of 1.25 MHz, 2.5 MHz, 5 MHz, 10 MHz, or 20 MHz.
  • a frequency band used for communicating with each UE is defined by a component carrier unit.
  • a UE A may use 100 MHz corresponding to the total system bandwidth and performs a communication in a manner of using all of the five component carriers.
  • a UE B 1 ⁇ B 5 can use a bandwidth of 20 MHz only and performs a communication by using one component carrier.
  • a UE C 1 and a UE C 2 can use a bandwidth of 40 MHz and performs a communication by using two component carriers, respectively.
  • the two component carriers may or may not be logically/physically adjacent to each other.
  • the UE C 1 indicates a case that the UE C 1 uses two component carriers not adjacent to each other and the UE C 2 indicates a case that the UE C 2 uses two component carriers adjacent to each other.
  • LTE system uses one DL component carrier and one UL component carrier.
  • LTE-A system may use a plurality of component carriers as depicted in FIG. 6 .
  • a scheme of scheduling a data channel, which is scheduled by a control channel can be divided into a conventional linked carrier scheduling scheme and a cross carrier scheduling scheme.
  • a control channel transmitted on a specific component carrier schedules a data channel only via the specific component carrier.
  • a control channel transmitted on a primary component carrier schedules a data channel transmitted on the primary component carrier or a different component carrier using a carrier indicator field (CIF).
  • primary CC primary component carrier
  • CIF carrier indicator field
  • FIG. 7 is a diagram of an example to which a cross carrier scheduling scheme is applicable.
  • the number of cell (or, a component carrier) assigned to a relay node corresponds to 3 in FIG 7 .
  • the cross carrier scheduling is performed using a CIF.
  • a DL cell (or, a component carrier) #A is a primary DL component carrier (i.e., a primary cell (PCell))
  • a component carrier #B and a component carrier #C are secondary component carriers (i.e., secondary cell (Scell)).
  • the CoMP transmission scheme is a transmission scheme for two or more eNode Bs or cells to communicate with a user equipment in a manner of cooperating with each other to enhance a communication performance between the user equipment situated at a radio shadow zone and the eNode B (a cell or a sector).
  • the CoMP transmission scheme can be classified into a join processing (CoMP-joint processing, CoMP-JP) scheme of a cooperative MIMO form via data sharing and a coordinated scheduling/beamforming (CoMP-coordinated scheduling/beamforming, CoMP-CS/CB) scheme.
  • a join processing CoMP-joint processing, CoMP-JP
  • a coordinated scheduling/beamforming CoMP-coordinated scheduling/beamforming, CoMP-CS/CB
  • a user equipment may be able to instantaneously receive data simultaneously from each of the eNode Bs performing the CoMP transmission scheme. And, a reception performance can be enhanced in a manner of combining signals received from each of the eNode Bs (joint transmission (JT)). And, it may be able to consider a method for one of the eNode Bs performing the CoMP transmission scheme to transmit data to the user equipment on a specific timing point (DPS; dynamic point selection).
  • DPS timing point selection
  • the user equipment may be able to instantaneously receive data from a single eNode B, i.e., a serving eNode B, via a beamforming.
  • each of the eNode Bs may be able to simultaneously receive PUSCH signal from the user equipment (joint reception (JR)).
  • JR joint reception
  • CoMP-CS/CB coordinated scheduling/beamforming scheme
  • only a single eNode B may be able to receive PUSCH.
  • a decision on whether to use the coordinated scheduling/beamforming scheme is determined by the coordinating cells (or eNode Bs).
  • the CoMP scheme is applicable to not only a homogenous network consisted of a macro eNB only but also a heterogeneous network.
  • FIG. 8 is a diagram for an example of a structure of a heterogeneous network to which a CoMP scheme is applicable.
  • FIG. 8 depicts a network consisted of RRHs (radio remote head) and the like 802 transceiving a signal with a macro eNB 801 with a relatively low transmit power.
  • RRHs radio remote head
  • a pico eNB or the RRH positioned within coverage of the macro eNB can be connected to the macro eNB with an optical cable and the like.
  • the RRH may be called a micro eNB.
  • the RRHs can be classified into two types.
  • One type corresponds to a case that each of the RRHs receives a cell ID different from that of the macro eNB.
  • each of the RHHs can be regarded as a small cell different from the macro eNB, respectively.
  • Another type may correspond to a case that each of the RRHs operates in a manner of having a cell ID identical to that of the macro eNB.
  • a UE recognizes each of the RRHs and the macro eNB as an independent cell, respectively. In this case, the UE located at a boundary of each cell is severely interfered by a neighboring cell. In order to reduce the interference and to increase transfer rate, various kinds of CoMP schemes have been proposed.
  • each of the RRHs and the macro eNB are provided with a cell ID identical to each other, as mentioned earlier, a UE recognizes each of the RRHs and the macro eNB as a single cell.
  • the UE receives data from each of the RRHs and the macro eNB.
  • a precoding which is used to transmit data of each UE, is simultaneously applied to a reference signal as well.
  • the reference signal to which the precoding is applied corresponds to the aforementioned DM-RS.
  • the aforementioned CoMP scheme is considering a method of transmitting scheduling information of one or more secondary transmission points (STP) as well as scheduling information of the primary transmission point using the single PDCCH only.
  • FIG. 9 is a diagram of an example that a downlink scheduling grant of a secondary transmission point is transmitted from a primary transmission point when a CoMP scheme is applied.
  • FIG. 9 exemplifies a case that each transmission point transmits PDSCH via a single layer only.
  • a U-PDCCH universal PDCCH
  • the U-PDCCH it is preferable to design the U-PDCCH to enable the U-PDCCH to schedule two PDSCHs on an identical frequency band.
  • the U-PDCCH can be configured as identical to the legacy PDCCH, the U-PDCCH may have a format different from each other depending on an applied CoMP scheme.
  • a corresponding resource region is assigned in a manner of being completely overlapped 2) a corresponding resource region is assigned in a manner of being partly overlapped, or 3) a corresponding resource region is assigned to a completely exclusive region.
  • a configuration of DL control information i.e., DCI format
  • correlation between a carrier aggregation scheme applied to a legacy LTE-A system and the CoMP scheme is described and then how to modify and apply the carrier aggregation scheme to the CoMP scheme is explained in the following description.
  • FIG. 10 is a diagram for an example that an identical frequency domain is assigned to PDSCH transmission of a plurality of transmission points according to a first embodiment of the present invention.
  • PDCCH 1 transmitted from a primary transmission point i.e., a resource allocation field (RA field) included in a DCI format
  • RA field resource allocation field
  • FIG 11 is a diagram for a different example that an identical frequency domain is assigned to PDSCH transmission of a plurality of transmission points according to a first embodiment of the present invention.
  • a carrier aggregation is applied and the DCI format, which is used in a cross carrier scheduling, is used, it is able to configure a carrier indicator field (CIF) value to indicate an identical carrier and able to configure to use a single PDCCH only instead of using a plurality of PDCCHs.
  • a carrier indicator field CIF
  • the PDSCHs are assigned to an identical resource block, since a plurality of the PDSCHs are spatially multiplexed, it is able to implement to normally receive the PDSCHs according to a layer or a codeword.
  • a single PDCCH can schedule one or more PDSCHs (a codeword, a layer, or a transport block) existing in a plurality of carriers or a plurality of cells.
  • PDCCHs for each of scheduled carriers are transmitted on a single carrier.
  • a plurality of PDSCHs (a codeword, a layer, or a transport block) can be scheduled on a single carrier.
  • a process e.g., multiplexing chain
  • a cell-specific parameter is differently applied in a PDSCH generation process.
  • a legacy DCI format can be reused.
  • a DCI format including a CIF field detailed information on a layer, a codeword, or the like used for each transmission point may be informed by a CIF.
  • this is limited to a case that the CIF is not used for a special usage.
  • the detailed information can be informed by configuring a separate bit field.
  • Table 1 to Table 7 exemplifies a mapping relation capable of being indicated by a CIF value or separately defined bit information between a codeword and a cell.
  • Table 1 to Table 3 exemplifies a mapping relation between a codeword and a cell when two cells transmit two codewords, respectively.
  • a size of a CIF or separately defined bit information corresponds to 2 bits.
  • Table 4 and Table 5 exemplify a mapping relation between a codeword and a cell when three cells transmit three codewords, respectively.
  • a size of a CIF or separately defined bit information corresponds to 3 bits.
  • Table 6 and Table 7 exemplify a mapping relation between a codeword and a cell when N numbers of cells transmit n numbers of codewords, respectively.
  • Table 6 indicates a CIF or separately defined bit information of 2 bits in size and
  • Table 7 indicates a CIF or separately defined bit information of 3 bits in size.
  • a predetermined codeword to cell mapping (CW-to-cell mapping) in Table 3 indicates a random mapping relation capable of being defined by a different scheme other than the mapping relation defined in Table 1 and Table 2.
  • a predetermined codeword to cell mapping (CW-to-cell mapping) in Table 5 indicates a random mapping relation capable of being defined by a different scheme other than the mapping relation defined in Table 4.
  • Predetermined CW-to-Cell mapping (Type 0) 1
  • Predetermined CW-to-Cell mapping (Type 1) 2
  • Predetermined CW-to-Cell mapping (Type 2) 3 All CWs
  • Table 7 Indication value/states Cell 1 (TP1) Cell 2 (TP2) ...
  • Predetermined CW-to-Cell mapping (Type 0) 1 Predetermined CW-to-Cell mapping (Type 1) 2 Predetermined CW-to-Cell mapping (Type 2) 3 Predetermined CW-to-Cell mapping (Type 3) 4 Predetermined CW-to-Cell mapping (Type 4) 5 Predetermined CW-to-Cell mapping (Type 5) 6 Predetermined CW-to-Cell mapping (Type 6) 7 Predetermined CW-to-Cell mapping (Type 7)
  • the proposed scheme can be applied to UEs in a manner of dividing the UEs into a UE (advanced UE (A-UE) capable of performing the operation and a UE incapable of performing the operation.
  • A-UE advanced UE
  • a scheme for automatically informing the A-UE that a PDCCH transmission of the CS/CB mode may exist can be applied.
  • separate bit information can be added.
  • FIG. 12 depicts an example that a partly overlapped frequency domain is assigned to PDSCH transmission of a plurality of transmission points according to a second embodiment of the present invention.
  • FIG. 12 depicts a case that a part of frequency resource region is dislocated on a frequency domain because PDSCHs transmitted from layers different from each other are assigned to the frequency resource domains, which are not matched with each other.
  • a method of implementing the second embodiment is to use an individual PDCCH for each transmission point or to configure a plurality of RA bits for a single PDCCH. Yet, this approach has a drawback that a size of a PDCCH DCI format increases as much as the individual PDCCH or a plurality of the RA bits.
  • another method of implementing the second embodiment is to configure an RA bit of a DCI format in a manner of dividing the RA bit of a DCI format into two parts and then to differently comprehend a bit field of each of the two part. It shall be described in more detail with reference to drawing.
  • FIG. 13 is a diagram for a structure of a general DCI format 2C and FIG. 14 is a diagram for an example that an RA bit of a DCI format 2C is configured in a manner of being divided into two parts according to the second embodiment of the present invention.
  • the DCI format 2C indicates downlink control information transmitted to a user equipment by an eNode to perform a downlink transmission with maximum 8 layers.
  • a ceil indicates an RA bit.
  • N indicates a downlink bandwidth represented by the number of resource block
  • P indicates the number of resource block included in a resource block group.
  • a single RA bit represented by the ceil (N/P) is included only.
  • a single RA bit represented by the ceil (N/P) is included only.
  • two RA bits i.e., an RA 1 and an RA 2, represented by the ceil (N/P) are included.
  • an RA bit As depicted in diagrams, it is able to configure an RA bit as the RA 1 and the RA 2, indicate a whole region using the RA1, and indicate an overlapped region using the remaining RA 2. More specifically, assume that a layer 1 contiguously allocates resources from an RB #10 to an RB # 30 and a layer 2 contiguously allocates resources from an RB #20 to an RB # 40.
  • the RA 1 indicates the whole region from the RB # 10 to the RB # 40 and the RA 2 indicates an overlapped region from the RB # 20 to the RB # 30.
  • bit information it is able to configure bit information to make the RA 1 indicate a value corresponding to the sum of the two RAs and the RA 2 indicate an overlapped region.
  • a basic assumption to apply the aforementioned method corresponds to a case that a part of region is exclusively configured while most of region has an overlapped resource region.
  • a total RA bit size can be reduced using the proposed method.
  • FIG. 15 is a diagram for a different example that a partly overlapped frequency domain is assigned to PDSCH transmission of a plurality of transmission points according to a second embodiment of the present invention.
  • a plurality of transmission points transmits a plurality of PDSCHs using spatial domains different from each other, i.e., layers different from each other using a single U-PDCCH only.
  • this can be regarded as the CoMP operation.
  • it is able to schedule a plurality of PDSCHs on a single carrier using a plurality of PDCCHs in a manner of configuring a CIF to intentionally indicate an identical carrier by using a CIF field used in a cross carrier scheduling of LTE-A system.
  • This can be also regarded as another modified form of the CoMP operation.
  • the PDSCHs transmitted from each of the transmission points can be generated by cell-specific parameters different from each other. By doing so, since it can be regarded as identical to the PDSCHs transmitted from cells different from each other, it is not necessary to design an inter-transmission point corresponding CSI.
  • the 1) to 4) mentioned earlier in the first embodiment i.e., a soft handover issue, a codeword-to-cell mapping issue, an issue for a UE not having a carrier aggregation capability, and interference cancellation issue in the CS/CB mode, and the like can be identically applied to the second embodiment as well.
  • FIG. 16 is a diagram for an example that a frequency domain not overlapped is assigned to PDSCH transmissions of a plurality of transmission points according to a third embodiment of the present invention.
  • FIG. 16 depicts a case that each transmission point transmits a single codeword with a single layer.
  • a cross carrier scheduling is configured to be performed, if a CIF value is configured to intentionally indicate a single carrier, it is able to implement as like a plurality of PDCCHs schedule a plurality of PDSCHs on a single carrier (or a cell). As mentioned in the foregoing description, this is different from the cross carrier scheduling scheme using a plurality of carriers.
  • FIG. 17 is a diagram for a different example that a frequency domain not overlapped is assigned to PDSCH transmissions of a plurality of transmission points according to a third embodiment of the present invention.
  • FIG. 17 depicts an example of scheduling two PDSCHs transmitted on a single carrier using two PDCCHs.
  • a single carrier transmission transmitting two PDSCHs on a single carrier can be implemented in a manner of configuring a CIF value to indicate an identical carrier.
  • the 1) to 4) mentioned earlier in the first embodiment i.e., a soft handover issue, a codeword-to-cell mapping issue, an issue for a UE not having a carrier aggregation capability, and interference cancellation issue in the CS/CB mode, and the like can be identically applied to the third embodiment as well.
  • a codeword, a transport block, PDSCH, and the like have inherited a concept of 3GPP LTE and LTE-A, meaning of them can be comprehended as such a general data transmission as a transmission packet.
  • a transmission point has inherited 3GPP CoMP scheme, as mentioned in the foregoing description, the transmission point can be comprehended as a concept of a cell.
  • the transmission point may be comprehended as a component carrier, an RRH, and a relay node as well.
  • FIG. 18 is a block diagram of an example for a communication device according to one embodiment of the present invention.
  • a communication device 1800 may include a processor 1810, a memory 1820, an RF module 1830, a display module 1840, and a user interface module 1850.
  • a processor 1810 is configured to perform an operation according to the embodiments of the present invention illustrated with reference to drawings. In particular, the detailed operation of the processor 1810 may refer to the former contents described with reference to FIG 1 to FIG. 17 .
  • the memory 1820 is connected with the processor 1810 and stores an operating system, applications, program codes, data, and the like.
  • the RF module 1830 is connected with the processor 1810 and then performs a function of converting a baseband signal to a radio signal or a function of converting a radio signal to a baseband signal. To this end, the RF module 1830 performs an analog conversion, amplification, a filtering, and a frequency up conversion, or performs processes inverse to the former processes.
  • the display module 1840 is connected with the processor 1810 and displays various kinds of informations.
  • the display module 1840 can be implemented using such a well-known component as an LCD (liquid crystal display), an LED (light emitting diode), an OLED (organic light emitting diode) display and the like, by which the present invention may be non-limited.
  • the user interface module 1850 is connected with the processor 1810 and can be configured in a manner of being combined with such a well-known user interface as a keypad, a touchscreen and the like.
  • a specific operation explained as performed by an eNode B may be performed by an upper node of the eNode B in some cases.
  • a network constructed with a plurality of network nodes including an eNode B it is apparent that various operations performed for communication with a user equipment can be performed by an eNode B or other networks except the eNode B.
  • BS Base station
  • eNB eNode B
  • AP access point
  • Embodiments of the present invention can be implemented using various means. For instance, embodiments of the present invention can be implemented using hardware, firmware, software and/or any combinations thereof. In the implementation by hardware, a method according to each embodiment of the present invention can be implemented by at least one selected from the group consisting of ASICs (application specific integrated circuits), DSPs (digital signal processors), DSPDs (digital signal processing devices), PLDs (programmable logic devices), FPGAs (field programmable gate arrays), processor, controller, microcontroller, microprocessor and the like.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • processor controller, microcontroller, microprocessor and the like.
  • a method according to each embodiment of the present invention can be implemented by modules, procedures, and/or functions for performing the above-explained functions or operations.
  • Software code is stored in a memory unit and is then drivable by a processor.
  • the memory unit is provided within or outside the processor to exchange data with the processor through the various means known in public.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
EP12800823.2A 2011-06-13 2012-06-12 Verfahren zum empfangen eines downlink-signals mit einem endgerät in einem drahtlosen kommunikationssystem mit einer kooperativen basisstation und vorrichtung dafür Not-in-force EP2720385B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161496531P 2011-06-13 2011-06-13
PCT/KR2012/004623 WO2012173368A2 (ko) 2011-06-13 2012-06-12 기지국 협력 무선 통신 시스템에서 단말이 하향링크 신호를 수신하는 방법 및 이를 위한 장치

Publications (3)

Publication Number Publication Date
EP2720385A2 true EP2720385A2 (de) 2014-04-16
EP2720385A4 EP2720385A4 (de) 2014-11-19
EP2720385B1 EP2720385B1 (de) 2017-04-19

Family

ID=47357582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12800823.2A Not-in-force EP2720385B1 (de) 2011-06-13 2012-06-12 Verfahren zum empfangen eines downlink-signals mit einem endgerät in einem drahtlosen kommunikationssystem mit einer kooperativen basisstation und vorrichtung dafür

Country Status (4)

Country Link
US (1) US9414405B2 (de)
EP (1) EP2720385B1 (de)
KR (1) KR101935359B1 (de)
WO (1) WO2012173368A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8838119B2 (en) 2012-06-26 2014-09-16 Futurewei Technologies, Inc. Method and system for dynamic cell configuration
CN103796258B (zh) * 2012-10-29 2017-05-10 中兴通讯股份有限公司 通信系统的基站切换方法及系统
CN105075353B (zh) * 2013-02-28 2019-02-19 索尼公司 通信控制装置、通信控制方法以及用户设备
CN104135355A (zh) * 2013-05-03 2014-11-05 索尼公司 通信装置、通信系统和通信方法
WO2018141246A1 (en) * 2017-02-03 2018-08-09 Huawei Technologies Co., Ltd. Downlink control information for network coordination schemes
CN108112077B (zh) * 2017-05-05 2024-02-27 中兴通讯股份有限公司 资源分配方法及装置
CN113507747B (zh) * 2018-08-08 2023-09-01 中兴通讯股份有限公司 信息发送和接收方法、设备和存储介质
CN113170362B (zh) * 2018-11-30 2024-04-09 华为技术有限公司 一种下行信号接收方法、终端及源基站
WO2020143908A1 (en) * 2019-01-09 2020-07-16 Huawei Technologies Co., Ltd. Network access node and client device for indication of multiple data channels in a single control message

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010105145A1 (en) * 2009-03-12 2010-09-16 Interdigital Patent Holdings, Inc. Method and apparatus for performing component carrier-specific reconfiguration
US20110034175A1 (en) * 2009-08-07 2011-02-10 Mo-Han Fong System and method for a virtual carrier for multi-carrier and coordinated multi-point network operation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2059060B1 (de) * 2006-09-01 2015-03-04 Mitsubishi Electric Corporation Funkkommunikationssystem und Funkkommunikationsverfahren
JP5035253B2 (ja) * 2007-02-08 2012-09-26 富士通株式会社 基地局装置、移動通信システム及びセル選択通信方法
US8605687B2 (en) * 2007-07-05 2013-12-10 Qualcomm Incorporated Method for channel estimation in a point-to-point communication network
KR20100002602A (ko) * 2008-06-30 2010-01-07 포스데이타 주식회사 매크로 다이버시티의 운용방법 및 그 방법을 지원하는기지국
CN101645729A (zh) * 2008-08-08 2010-02-10 夏普株式会社 下行蜂窝系统的多天线多基站合作方法及基站
WO2010055676A1 (ja) 2008-11-14 2010-05-20 パナソニック株式会社 無線通信端末装置、無線通信基地局装置およびクラスタ配置設定方法
KR101478246B1 (ko) 2008-12-09 2015-01-02 삼성전자주식회사 멀티 인풋 멀티 아웃풋 시스템의 하향링크 컨트롤 정보 송수신 방법 및 장치
KR101634177B1 (ko) * 2009-01-15 2016-06-28 엘지전자 주식회사 데이터 패킷의 처리 및 전송 방법
CN101714892B (zh) * 2009-11-02 2014-12-31 中兴通讯股份有限公司 一种下行控制信息的传输方法及系统
EP2341678A1 (de) * 2010-01-05 2011-07-06 Panasonic Corporation Signalisierung für Ressourcenzuweisungen in Kreuzträger-Zuteilungsszenarien
WO2012093742A1 (en) * 2011-01-04 2012-07-12 Pantech Co.,Ltd. Terminal and base station, method thereof in wireless communication system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010105145A1 (en) * 2009-03-12 2010-09-16 Interdigital Patent Holdings, Inc. Method and apparatus for performing component carrier-specific reconfiguration
US20110034175A1 (en) * 2009-08-07 2011-02-10 Mo-Han Fong System and method for a virtual carrier for multi-carrier and coordinated multi-point network operation

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HUAWEI ET AL: "Proposal on ordering and segmentation of HARQ-ACK bits", 3GPP DRAFT; R1-110901, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Taipei, Taiwan; 20110221, 17 February 2011 (2011-02-17), XP050490780, [retrieved on 2011-02-17] *
NTT DOCOMO ET AL: "AMC and HARQ Using Frequency Domain Channel-dependent Scheduling in MIMO Channel Transmission", 3GPP TSG-RAN WG1 MEETING AD HOC LTE, XX, XX, vol. R1-050942, 2 September 2005 (2005-09-02), pages 1-8, XP003018588, *
See also references of WO2012173368A2 *

Also Published As

Publication number Publication date
US20140098779A1 (en) 2014-04-10
EP2720385A4 (de) 2014-11-19
KR101935359B1 (ko) 2019-01-04
WO2012173368A2 (ko) 2012-12-20
WO2012173368A3 (ko) 2013-04-04
KR20140022033A (ko) 2014-02-21
EP2720385B1 (de) 2017-04-19
US9414405B2 (en) 2016-08-09

Similar Documents

Publication Publication Date Title
US10212746B2 (en) Method for resource allocation for device-to- device direct communication in wireless communication system, and apparatus therefor
US20190007989A1 (en) Method for transmitting signal using direct communication between terminals in wireless communication system and device therefor
US9432985B2 (en) Method for setting search region to detect downlink control channel in wireless communication system and apparatus for same
EP2720385B1 (de) Verfahren zum empfangen eines downlink-signals mit einem endgerät in einem drahtlosen kommunikationssystem mit einer kooperativen basisstation und vorrichtung dafür
US9648623B2 (en) Method and device for performing direct communication between terminals in wireless communication system
US9467272B2 (en) Method for transmitting/receiving downlink control information in wireless communication system and device therefor
US9509417B2 (en) Method in which a terminal transceives a signal in a wireless communication system and apparatus for same
US9654260B2 (en) Method for setting start symbol of downlink channel in wireless communication system and apparatus for same
US20140029559A1 (en) Method for terminal to receive downlink signal from base station in wireless communication system and device therefor
US9419767B2 (en) Method for device-to-device communication in wireless communication system, and apparatus therefor
EP3099126B1 (de) Ressourcenzuweisungsverfahren und vorrichtung zur direkten vorrichtung-zu-vorrichtung-kommunikation in einem drahtloskommunikationssystem
US9622225B2 (en) Method and device for transmitting and receiving signal by terminal in wireless communication system to which carrier aggregation technique is applied
US9832665B2 (en) Method for sending and receiving signals for alleviating inter-cell interference in a wireless communication system and a device therefor
US20160014774A1 (en) Method and apparatus for transmitting discovery signal for device-to-device direct communication in wireless communication system
US9161346B2 (en) Method for transmitting control channel in multicell cooperative wireless communication system and device therefor
JP6731550B2 (ja) 無線通信システムにおける優先順位ベース干渉制御方法及びそのための装置
US9203457B2 (en) Method for terminal transmitting/receiving signal in base station coordination wireless communication system, and apparatus for same

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20131218

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20141021

RIC1 Information provided on ipc code assigned before grant

Ipc: H04B 7/02 20060101AFI20141015BHEP

Ipc: H04W 72/12 20090101ALI20141015BHEP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 602012031411

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: H04B0007020000

Ipc: H04L0005000000

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIC1 Information provided on ipc code assigned before grant

Ipc: H04B 7/02 20060101ALI20161005BHEP

Ipc: H04L 5/00 20060101AFI20161005BHEP

Ipc: H04W 72/12 20090101ALI20161005BHEP

INTG Intention to grant announced

Effective date: 20161020

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAL Information related to payment of fee for publishing/printing deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR3

GRAR Information related to intention to grant a patent recorded

Free format text: ORIGINAL CODE: EPIDOSNIGR71

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

INTC Intention to grant announced (deleted)
AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

INTG Intention to grant announced

Effective date: 20170314

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 886862

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170515

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602012031411

Country of ref document: DE

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 886862

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170719

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

REG Reference to a national code

Ref country code: GR

Ref legal event code: EP

Ref document number: 20170401315

Country of ref document: GR

Effective date: 20171122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170819

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170719

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602012031411

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

26N No opposition filed

Effective date: 20180122

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20170719

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20180228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170719

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170630

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170612

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170612

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170630

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20170630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170612

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20120612

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170419

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20220506

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20220506

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GR

Payment date: 20220506

Year of fee payment: 11

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602012031411

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MM

Effective date: 20230701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240109

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240109

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240103